| Item Name | Valve Restrictor Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-301-0256 (003010256) |
| NCB Code | USA (00) |
| Manufacturer | Parker Hannifin Corporation, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ABVL | APERTURE DIAMETER | 0.060 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 135.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | BEVELED (TUBE) 2ND END |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | BUTT WELD TUBE 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES 2ND END |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MATT | MATERIAL | ALUMINUM ALLOY SEAT |
| MATT | MATERIAL | PLASTIC POLYAMIDE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/4,COMP 5083,TEMPER H111 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/4,COMP 5083,TEMPER H111 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| Relevant Components for NSN - 4820-00-301-0256, 4820003010256 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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